fix: only run attach-assets job for release events

Author: rui-typelets

.github/workflows/desktop-build.yml

@@ -68,6 +68,7 @@ jobs:
     name: Attach Desktop Assets
     needs: build-desktop
     runs-on: ubuntu-latest
+    if: github.event_name == 'release'
 
     steps:
       - name: Download all artifacts